BIOS 105 Week 6 iLab Digestive and Respiratory System

1. Trace the path of an oxygen molecule from the air outside you to your tissues.
2. Trace the path of food from ingestion to defecation. Briefly describe what happens at each stop on the journey.

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Complete the following steps before answering the questions below:
1. Review the following clinical illustrations in ADAM:
Clinical Illustrations
Skeletal System- upper limb- radial head injury
fracture types
bone building exercise
Muscular System – upper limb- active vs inactive
2. Review the Joints Case Study at the anatomy and physiology place.
3. Answer the questions below. You may use your text and any other resources you wish, please be sure to cite your sources! Submit your answers as a word document to the week 3 dropbox.
Questions:
1. List two factors that keep bones healthy. Describe in detail how these factors impact bone health.
2. Describe the process of healing a fracture
3. In the case study, what type of joint did Torin injure? What is the range of motion of this joint?
4. How does the saying “use it or lose it” apply to muscles? What type of exercise is the best way to improve muscle strength? muscle size? In your answer be sure to explain how the different types of exercise work to increase strength or size!
5. Why do all muscle cross a joint? Define the attachment points of muscle to bone.Before answering the questions below, log in to ADAM and review the following Clinical Animations about the Reproductive System
a. Conception
b. Fetal Development
c. Formation of twins
d. vasectomy
Next, view the clinical illustration
a. Ectopic Pregnancy
Answer the following questions

1. How is a vasectomy performed? Be sure to cite the specific anatomical structures involved. How does this prevent pregnancy?
2. Where does fertilization take place?
3. At what stage of fetal development does implantation take place?
4. What is an ectopic pregnancy?
5. Distinguish between a identical and non-identical twins. Do all identical twins develop the same way?